CONTINUOUS CUFFLESS BLOOD PRESSURE MEASUREMENT USING A MOBILE DEVICE
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United States of America Patent
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Issued Date -
Mar 12, 2015
app pub date -
Apr 30, 2014
filing date -
Sep 9, 2013
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Abstract
A mobile blood pressure monitor is described that includes an integrated acoustic device, an optical sensor including at least one of a light source or a pulse oximeter device, and control circuitry coupled to the integrated acoustic device and the optical sensor. Additionally, a mobile electronic device configured to measure blood pressure is described that includes a mobile system and a mobile blood pressure monitor as disclosed above. In implementations, a process for measuring blood pressure includes sensing a heart sound with an integrated acoustic device, measuring a blood pulse rate at a peripheral site with an optical sensor, calculating a pulse wave transit time using a sensed heart sound and a measured blood pulse rate, and correlating a blood pressure using the heart sound and the blood pulse rate.
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